UUID Generator
11 toolsGenerate random UUIDs (v4).
Runs in your browser — your files and text stay on your device
Generate random version 4 UUIDs. A UUID is a 128-bit identifier written as 32 hex digits, and the chance of two random UUIDs colliding is negligible. UUIDs are identifiers, not secrets, so don't rely on them as security tokens. They're generated in your browser.
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How to use this tool
- 1Enter how many UUIDs you want (1–50).
- 2Click Generate.
- 3Copy any single UUID or the whole list.
Frequently asked questions
What version of UUID does this generate?
Version 4 (random), using the browser's crypto.randomUUID().
Are the UUIDs sent anywhere?
No, they're generated entirely in your browser.